Honda Acura NSX 1991 Service Manual page 1308

Supplemental Restraint System (SRS)
Troubleshooting
Self-diagnosis Function
The SRS unit includes a self-diagnosis function. If there
is a failure in the sensors, SRS unit, inflator, or their cir-
cuits, the SRS light in the instrument panel goes ON.
SRS INDICATOR LIGHT
As a system check the SRS light also comes on when
the ignition is first turned to the
goes off after approximately 6 seconds the system is OK.
If the SRS light remains on (or fails to come on the sys-
tem check mode) one of the SRS components (or the wir-
ing/connectors in-between)
Troubleshooting precautions
When attaching any of the test harnesses, push
l
the connectors straight-in unit they are secure;
do not bend the connector pins.
Always use the test harness. Do not use test
l
probes directly on component connector pins or
wires; you may damage them or the control unit.
Always keep the short connector on the airbag
l
connector when the harness is disconnected.
23-324
II
position. if the light
is faulty.
SRS Indicator light troubleshooting
Possible conditions:
1 . SRS light does not come on at ail - see page
23-326.
2. SRS light stays on constantly - see page 23-330.
3. SRS light comes on in combination with a failure of
another electrical system
check light etc.). Check for damage/corrosion at the
dash fuse box.
NOTE:
check the condition of ail SRS connectors and
ground points.
plicable troubleshooting, substitute a known-good
SRS unit and check whether the light indication
goes away.
CAUTION: Disconnect both the negative and posi-
tive battery cables. Connect the short connector to
the airbag assembly.
MAINTENANCE
LID-A
SHORT CONNECTOR
(brake indicator, engine
CABLE REEL
CONNECTOR